Year % of GNI 1990 7.932030841193121 1991 7.258728933166962 1992 6.5891045876213745 1993 5.9080609023307975 1994 6.976282243218708 1995 7.935816327506687 1996 10.649616576656715 1997 11.112797138536234 1998 10.71318001188819 1999 9.871896723833279 2000 9.645066147566089 2001 8.767528930872183 2002 8.008266646592599 2003 7.78985533427635 2004 8.436471284104424 2005 8.377179855888516 2006 9.153427788663787 2007 8.760750703346769 2008 6.725445136497055 2009 4.550151029720501 2010 6.094500062536259 2011 6.683399644843299 2012 7.104499031827452 2013 7.7537726810540475 2014 8.453948430016279 2015 8.61275103193127 2016 8.184773222196636 2017 8.865239813871987 2018 8.761448664174342 2019 8.719309334544493 2020 7.360635614560158 2021 7.5236479403520935